Boot |
46857 bytes (45.8k)
|
CDN |
gzip -6 (default) |
39598 bytes (38.7k)
|
local copy |
cdnjs |
39553 bytes (38.6k)
|
CDN |
jsdelivr |
39553 bytes (38.6k)
|
CDN |
unpkg |
39553 bytes (38.6k)
|
CDN |
gzip -9 |
39444 bytes (38.5k)
|
local copy |
libdeflate -12 |
38157 bytes (37.3k)
|
local copy |
7zip -mx=9 -tgzip |
38136 bytes (37.2k)
|
local copy |
pigz -11 -n |
38094 bytes (37.2k)
|
local copy |
zultra |
38093 bytes (37.2k)
|
local copy |
kzip -s0 -rn -b8 |
38051 bytes (37.2k)
|
local copy |
Zopfli |
37919 bytes (37.0k)
|
local copy |
Zopfli (defluff) |
37918 bytes (37.0k)
|
local copy |
Description | Value | Parameter |
---|---|---|
iterations | 1000000 | --i1000000 |
maximum blocks | 8 | --mb8 |
maximum length score | 4 | --mls4 |
block splitting recursion | 17 | --bsr17 |
lazy matching in LZ77 | yes | --lazy |
optimized Huffman headers | yes | --ohh |
initial random W for iterations | 1 | --rw1 |
initial random Z for iterations | 2 | --rz2 |
CDN | Size (compressed) | MD5 (uncompressed) | Timestamp |
---|---|---|---|
Boot | 46857 bytes | 9ba549a9a66ab9c7e8eae26d39fcdc5f | January 29, 2016 @ 11:05 |
cdnjs | 39553 bytes | 9ba549a9a66ab9c7e8eae26d39fcdc5f | January 29, 2016 @ 02:02 |
jsdelivr | 39553 bytes | 9ba549a9a66ab9c7e8eae26d39fcdc5f | January 28, 2016 @ 21:40 |
unpkg | 39553 bytes | 9ba549a9a66ab9c7e8eae26d39fcdc5f | July 11, 2016 @ 15:33 |
Size | Improvement | Parameters | Found |
---|---|---|---|
37919 bytes | -3 bytes | zopfli --i1000000 --mls4 --bsr17 --lazy --ohh | January 29, 2016 @ 19:25 |
37922 bytes | -5 bytes | zopfli --i100000 --mls4 --bsr17 --lazy --ohh | January 29, 2016 @ 11:30 |
37927 bytes | -6 bytes | zopfli --i10000 --mls4 --bsr17 --lazy --ohh | January 29, 2016 @ 10:28 |
37933 bytes | -14 bytes | zopfli --i1000 --mls4 --bsr17 --lazy --ohh | January 29, 2016 @ 10:20 |
37947 bytes | – | zopfli --i100 --mls4 --bsr17 --lazy --ohh | January 29, 2016 @ 10:15 |
2 | 4 | 8 | 16 | 32 | 64 | 128 | 256 | 512 | 1024 | 2048 | 4096 | 8192 | 16384 | 32768 | |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
2 | 4 | 8 | 16 | 32 | 64 | 128 | 256 | 512 | 1024 | 2048 | 4096 | 8192 | 16384 | 32768 | |
2 | 37956 | 37957 | 38045 | 38048 | 38025 | 38026 | 38030 | 38046 | 38046 | 38048 | 38046 | 38046 | 38044 | 38046 | 38060 |
4 | 38044 | 38047 | 38048 | 38049 | 38045 | 38043 | 38045 | 38045 | 38047 | 38046 | 38047 | 38050 | 38046 | 38044 | 38045 |
6 | 37954 | 37965 | 38013 | 38020 | 38014 | 38015 | 38022 | 38042 | 38046 | 38046 | 38048 | 38043 | 38045 | 38042 | 38045 |
7 | 38025 | 38046 | 38046 | 38017 | 38042 | 38003 | 38025 | 38045 | 38046 | 38045 | 38048 | 38047 | 38042 | 38043 | 38049 |
8 | 37973 | 37974 | 37956 | 38016 | 38019 | 37946 | 38023 | 38047 | 38046 | 38044 | 38048 | 38047 | 38042 | 38042 | 38047 |
9 | 38048 | 38046 | 38046 | 38049 | 38043 | 38042 | 38042 | 38045 | 38044 | 38045 | 38048 | 38050 | 38048 | 38043 | 38044 |
10 | 38045 | 38044 | 38046 | 38042 | 38045 | 38042 | 38044 | 38047 | 38044 | 38046 | 38048 | 38046 | 38042 | 38043 | 38043 |
11 | 37968 | 38046 | 38021 | 38016 | 38018 | 38022 | 38022 | 38047 | 38045 | 38044 | 38048 | 38050 | 38048 | 38042 | 38045 |
12 | 37980 | 37957 | 38045 | 37947 | 38008 | 38001 | 38011 | 38047 | 38044 | 38044 | 38042 | 38045 | 38046 | 38046 | 38042 |
13 | 37964 | 37965 | 37963 | 37955 | 38024 | 38021 | 38011 | 38047 | 38041 | 38042 | 38043 | 38047 | 38045 | 38047 | 38054 |
14 | 37962 | 37960 | 37947 | 37955 | 38002 | 38016 | 38009 | 38042 | 38046 | 38044 | 38042 | 38046 | 38048 | 38045 | 38045 |
15 | 37945 | 38045 | 38046 | 37955 | 38023 | 38042 | 38042 | 38047 | 38046 | 38045 | 38048 | 38050 | 38049 | 38048 | 38043 |
16 | 38048 | 38046 | 38046 | 38020 | 38006 | 38003 | 38021 | 38047 | 38042 | 38044 | 38048 | 38049 | 38042 | 38043 | 38043 |
17 | 37946 | 37919 | 37953 | 37952 | 38022 | 38002 | 38021 | 38047 | 38046 | 38044 | 38045 | 38050 | 38049 | 38050 | 38044 |
18 | 37972 | 38047 | 38045 | 38044 | 38042 | 38042 | 38045 | 38042 | 38045 | 38046 | 38045 | 38046 | 38045 | 38042 | 38050 |
19 | 37955 | 38014 | 37946 | 37953 | 38021 | 38000 | 38022 | 38047 | 38045 | 38045 | 38045 | 38046 | 38042 | 38042 | 38045 |
20 | 37961 | 37974 | 37955 | 37954 | 38023 | 38022 | 38021 | 38047 | 38045 | 38046 | 38048 | 38046 | 38042 | 38045 | 38042 |
21 | 37954 | 37963 | 38021 | 37952 | 38007 | 38023 | 37941 | 38042 | 38046 | 38044 | 38041 | 38052 | 38045 | 38042 | 38046 |
22 | 37956 | 38044 | 38021 | 37957 | 38020 | 38024 | 38021 | 38045 | 38044 | 38042 | 38045 | 38046 | 38046 | 38039 | 38045 |
23 | 37962 | 37965 | 37946 | 37946 | 38021 | 37945 | 38005 | 38042 | 38045 | 38045 | 38048 | 38052 | 38045 | 38044 | 38043 |
25 | 37956 | 38044 | 37943 | 38044 | 38043 | 38045 | 38044 | 38045 | 38043 | 38042 | 38041 | 38050 | 38045 | 38044 | 38046 |
30 | 37970 | 38044 | 38046 | 37944 | 38021 | 38022 | 38013 | 38047 | 38043 | 38044 | 38041 | 38051 | 38046 | 38047 | 38049 |
40 | 37955 | 37963 | 37946 | 37996 | 38021 | 38003 | 38022 | 38047 | 38046 | 38046 | 38048 | 38050 | 38042 | 38045 | 38048 |
Iterations | Min. Bytes | Reduction | Coverage |
---|---|---|---|
100 | 37947 bytes | – | 100% |
1,000 | 37933 bytes | -14 bytes | 100% |
10,000 | 37927 bytes | -6 bytes | 100% |
100,000 | 37922 bytes | -5 bytes | 4.06% |
1,000,000 | 37919 bytes | -3 bytes | 0.29% |
10,000,000 | – | – | – |
Blocks | Min. Bytes | Compared To Best Zopfli | Compared To Best KZIP |
---|---|---|---|
(any) | 38148 bytes | +229 bytes (+0.60%) | +97 bytes |
1 | 38143 bytes | +224 bytes (+0.59%) | +92 bytes |
2 | 38162 bytes | +243 bytes (+0.64%) | +111 bytes |
3 | 38141 bytes | +222 bytes (+0.59%) | +90 bytes |
4 | 38102 bytes | +183 bytes (+0.48%) | +51 bytes |
5 | 38088 bytes | +169 bytes (+0.45%) | +37 bytes |
6 | 38092 bytes | +173 bytes (+0.46%) | +41 bytes |
7 | 38056 bytes | +137 bytes (+0.36%) | +5 bytes |
8 | 38051 bytes | +132 bytes (+0.35%) | – |
Algorithm | Program | Parameters | Size | Compared To Best Zopfli |
---|---|---|---|---|
ZPAQ (Wikipedia) | zpaq | zpaq -method 69 | 27938 bytes | -9981 bytes (-26.32%) |
RAR (proprietary) | RAR | rar a -m5 -md64m -mc63:128t -mt1 | 30029 bytes | -7890 bytes (-20.81%) |
PPMd (Wikipedia) | 7zip | 7za a -mx=9 -m0=ppmd | 31844 bytes | -6075 bytes (-16.02%) |
Brotli (Wikipedia) | brotli | brotli -q 11 | 33541 bytes | -4378 bytes (-11.55%) |
Burrows-Wheeler transform (Wikipedia) | bzip2 | bzip2 -9 | 33963 bytes | -3956 bytes (-10.43%) |
LZMA2 (Wikipedia) | xz | xz -9 | 34680 bytes | -3239 bytes (-8.54%) |
Zstandard (Wikipedia) | zstd | zstd -19 | 36139 bytes | -1780 bytes (-4.69%) |